48 years of machining experience, seesaw-type shock absorber R&D thinking
Published Time：
2018-04-29
Vibroflotation, as a highly efficient and economical representative equipment for soft ground treatment, is increasingly favored by the industry. It strengthens saturated sandy soil liquefaction by generating exciting force on the surrounding soil through vibroflotation, allowing sand particles to rearrange, thereby improving the relative density of the soil, and enhancing the bearing capacity and liquefaction resistance of the foundation.
As a main accessory of the vibroflotation, the damper reduces vibration loss to all accessories during construction, becoming an indispensable key component in vibroflotation construction.
Advantages of the New Generation Damper
1. Structurally, the group distributed damping replaces the centralized unidirectional damping. Axial direction retains the original rubber block damping, while radial direction adds mechanical damping.
2. In terms of performance, while achieving a higher level of damping effect, it greatly improves the service life of the damper, completely changing the perception of the damper as a consumable part in construction.
See-saw Approach ▲▲▲
Kou Fucheng, born in 1954 in Chaoyang District, Beijing. He joined the machinery processing department of the Second Engineering Bureau of Water Conservancy and Hydropower in 1971, participated in the processing and production of vibroflotation equipment around 1978, and served as a senior consultant for machinery processing at Beijing Vibroflotation Engineering Machinery Co., Ltd. in 2006.
When talking about the inspiration for the development of the new generation of dampers, Master Kou first talked to us about his connection with vibroflotation, from receiving the task of producing the first vibroflotation equipment in China, to selecting vibroflotation production equipment, and then to continuous adjustments to the structural performance of vibroflotation. For 48 years, his consistent dedication to vibroflotation has driven him to innovate and strive to inherit and carry forward vibroflotation technology.
The damper plays a very important role in vibroflotation construction. The original single-injection damping system simultaneously bears the forces of lifting, sealing, damping, anti-torsion, and anti-dropping, causing it to be easily damaged and having to be treated as a readily consumable part in construction.
One can learn from others' experiences and improve oneself. The transformation of the damper also requires a different way of thinking. Master Kou smiled and said to us, do you know the balancing board acrobatics? If you treat the acrobats as the vibrating vibroflotation equipment, where does the vibration force go? The flat plate and rollers below consume the force; this combination is equivalent to a damper.
Currently, the new generation of dampers has successfully completed 15,000 meters of testing at an average daily progress rate of 220 meters, and is expected to achieve a construction efficiency of 50,000 meters or even higher, saving several times the construction cost compared to the previous generation of dampers.
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